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import { Hono } from "hono";
import { ImapIngestConnector } from "../../connectors/imap.js";
import { decompressMessageRow } from "../../storage/compression.js";
import { parseIntParam } from "../validation.js";
interface ImapConnectorInfo {
uid: number;
folder_path: string;
imap_host: string;
imap_port: number;
imap_tls: number;
imap_user: string;
imap_pass: string;
}
function recordLabelOverride(db: Database.Database, messageId: number, labelId: number): void {
const isImap = db.prepare("SELECT 1 FROM labels WHERE id = ? AND source = 'imap'").get(labelId);
if (isImap) {
db.prepare("INSERT OR IGNORE INTO label_overrides (message_id, label_id) VALUES (?, ?)").run(
messageId,
labelId,
);
}
}
/** Deletes messages from an IMAP server. Injectable for testing. */
export type ImapDeleteFn = (info: ImapConnectorInfo, uids: number[]) => Promise<void>;
async function defaultImapDelete(info: ImapConnectorInfo, uids: number[]): Promise<void> {
const connector = new ImapIngestConnector({
host: info.imap_host,
port: info.imap_port,
secure: info.imap_tls === 1,
auth: { user: info.imap_user, pass: info.imap_pass },
});
await connector.connect();
try {
await connector.deleteMessages(info.folder_path, uids);
} finally {
await connector.disconnect();
}
}
export function messageRoutes(
getDb: () => Database.Database,
imapDelete: ImapDeleteFn = defaultImapDelete,
): Hono {
const api = new Hono();
api.get("/:messageId", (c) => {
const messageId = parseIntParam(c, "messageId", c.req.param("messageId"));
if (messageId instanceof Response) return messageId;
const message = getDb()
.prepare(`
SELECT m.*, f.path as folder_path, f.name as folder_name
FROM messages m
JOIN folders f ON f.id = m.folder_id
WHERE m.id = ?
`)
.get(messageId);
if (!message) return c.json({ error: "Message not found" }, 404);
return c.json(decompressMessageRow(message as Record<string, unknown>));
});
api.get("/:messageId/thread", (c) => {
const db = getDb();
const messageId = parseIntParam(c, "messageId", c.req.param("messageId"));
if (messageId instanceof Response) return messageId;
const message = db
.prepare(
'SELECT message_id, in_reply_to, "references", inbound_connector_id FROM messages WHERE id = ?',
)
.get(messageId) as
| {
message_id: string | null;
in_reply_to: string | null;
references: string | null;
inbound_connector_id: number | null;
}
| undefined;
if (!message) return c.json({ error: "Message not found" }, 404);
const threadIds = new Set<string>();
if (message.message_id) threadIds.add(message.message_id);
if (message.in_reply_to) threadIds.add(message.in_reply_to);
if (message.references) {
// IMAP sync stores references as JSON array, send route stores space-separated
let refs: string[];
const trimmed = message.references.trim();
if (trimmed.startsWith("[")) {
try {
const parsed = JSON.parse(trimmed);
refs = Array.isArray(parsed) ? parsed : [trimmed];
} catch {
refs = trimmed.split(/\s+/);
}
} else {
refs = trimmed.split(/\s+/);
}
for (const ref of refs) {
Eif (ref.trim()) threadIds.add(ref.trim());
}
}
if (threadIds.size === 0) {
const single = db
.prepare(
"SELECT m.*, f.path as folder_path, f.name as folder_name FROM messages m JOIN folders f ON f.id = m.folder_id WHERE m.id = ?",
)
.get(messageId);
return c.json(single ? [decompressMessageRow(single as Record<string, unknown>)] : []);
}
const placeholders = [...threadIds].map(() => "?").join(",");
const thread = db
.prepare(`
SELECT DISTINCT m.*, f.path as folder_path, f.name as folder_name
FROM messages m
JOIN folders f ON f.id = m.folder_id
WHERE m.inbound_connector_id = ?
AND (m.message_id IN (${placeholders})
OR m.in_reply_to IN (${placeholders})
OR m.id = ?)
ORDER BY m.date ASC
`)
.all(message.inbound_connector_id, ...[...threadIds], ...[...threadIds], messageId);
return c.json((thread as Record<string, unknown>[]).map(decompressMessageRow));
});
api.patch("/:messageId/flags", async (c) => {
const db = getDb();
const messageId = parseIntParam(c, "messageId", c.req.param("messageId"));
if (messageId instanceof Response) return messageId;
const body = await c.req.json();
const { add, remove } = body as { add?: string[]; remove?: string[] };
const message = db.prepare("SELECT flags FROM messages WHERE id = ?").get(messageId) as
| { flags: string | null }
| undefined;
if (!message) return c.json({ error: "Message not found" }, 404);
const flags = new Set((message.flags ?? "").split(",").filter(Boolean));
if (add) for (const f of add) flags.add(f);
if (remove) for (const f of remove) flags.delete(f);
const newFlags = [...flags].join(",");
db.prepare("UPDATE messages SET flags = ? WHERE id = ?").run(newFlags, messageId);
return c.json({ ok: true, flags: newFlags });
});
api.post("/:messageId/move", async (c) => {
const db = getDb();
const messageId = parseIntParam(c, "messageId", c.req.param("messageId"));
Iif (messageId instanceof Response) return messageId;
const body = await c.req.json();
const folderId = body.folder_id;
if (!folderId) return c.json({ error: "folder_id is required" }, 400);
const message = db.prepare("SELECT id FROM messages WHERE id = ?").get(messageId);
if (!message) return c.json({ error: "Message not found" }, 404);
const folder = db.prepare("SELECT id FROM folders WHERE id = ?").get(folderId);
if (!folder) return c.json({ error: "Folder not found" }, 404);
db.prepare("UPDATE messages SET folder_id = ? WHERE id = ?").run(folderId, messageId);
return c.json({ ok: true });
});
api.delete("/:messageId", async (c) => {
const db = getDb();
const messageId = parseIntParam(c, "messageId", c.req.param("messageId"));
if (messageId instanceof Response) return messageId;
// Fetch message with folder and connector info for optional server-side deletion
const message = db
.prepare(
`SELECT m.uid, f.path AS folder_path,
ic.type AS ingest_connector_type, ic.sync_delete_from_server,
ic.imap_host, ic.imap_port, ic.imap_tls, ic.imap_user, ic.imap_pass
FROM messages m
JOIN folders f ON f.id = m.folder_id
LEFT JOIN inbound_connectors ic ON ic.id = m.inbound_connector_id
WHERE m.id = ?`,
)
.get(messageId) as
| (ImapConnectorInfo & {
ingest_connector_type: string | null;
sync_delete_from_server: number | null;
})
| undefined;
if (!message) return c.json({ error: "Message not found" }, 404);
// Delete from IMAP server when the connector is IMAP and sync deletions is enabled
if (message.ingest_connector_type === "imap" && message.sync_delete_from_server === 1) {
try {
await imapDelete(message, [message.uid]);
} catch (err) {
console.error("Failed to delete message from IMAP server:", err);
// Fall through — delete locally even if server delete fails
}
}
const result = db.prepare("DELETE FROM messages WHERE id = ?").run(messageId);
Iif (result.changes === 0) return c.json({ error: "Message not found" }, 404);
return c.json({ ok: true });
});
api.post("/bulk", async (c) => {
const db = getDb();
const body = await c.req.json();
const { ids, action, add, remove, folder_id, label_id } = body as {
ids: number[];
action: "delete" | "flag" | "move" | "remove_label";
add?: string[];
remove?: string[];
folder_id?: number;
label_id?: number;
};
if (!Array.isArray(ids) || ids.length === 0)
return c.json({ error: "ids must be a non-empty array" }, 400);
if (!ids.every((id) => typeof id === "number" && Number.isFinite(id) && id > 0))
return c.json({ error: "ids must contain only positive integers" }, 400);
if (!["delete", "flag", "move", "remove_label"].includes(action))
return c.json({ error: "action must be delete, flag, move, or remove_label" }, 400);
const placeholders = ids.map(() => "?").join(",");
if (action === "delete") {
// Fetch messages with folder/connector info for server-side deletion
const toDelete = db
.prepare(
`SELECT m.id, m.uid, f.path AS folder_path,
ic.type AS ingest_connector_type, ic.sync_delete_from_server,
ic.imap_host, ic.imap_port, ic.imap_tls, ic.imap_user, ic.imap_pass
FROM messages m
JOIN folders f ON f.id = m.folder_id
LEFT JOIN inbound_connectors ic ON ic.id = m.inbound_connector_id
WHERE m.id IN (${placeholders})`,
)
.all(...ids) as (ImapConnectorInfo & {
id: number;
ingest_connector_type: string | null;
sync_delete_from_server: number | null;
})[];
// Group IMAP messages by folder for efficient server-side deletion
const imapByFolder = new Map<string, (ImapConnectorInfo & { folderKey: string })[]>();
for (const msg of toDelete) {
if (msg.ingest_connector_type === "imap" && msg.sync_delete_from_server === 1) {
const key = `${msg.imap_host}:${msg.imap_port}:${msg.imap_user}:${msg.folder_path}`;
if (!imapByFolder.has(key)) imapByFolder.set(key, []);
imapByFolder.get(key)?.push({ ...msg, folderKey: key });
}
}
// Delete from IMAP server (best-effort — failures don't block local delete)
for (const group of imapByFolder.values()) {
const first = group[0];
const uids = group.map((m) => m.uid);
try {
await imapDelete(first, uids);
} catch (err) {
console.error("Failed to bulk-delete messages from IMAP server:", err);
}
}
db.prepare(`DELETE FROM messages WHERE id IN (${placeholders})`).run(...ids);
return c.json({ ok: true, count: toDelete.length });
}
if (action === "flag") {
if (!add && !remove) return c.json({ error: "add or remove flags required" }, 400);
const updateFlag = db.transaction(() => {
let changed = 0;
const rows = db
.prepare(`SELECT id, flags FROM messages WHERE id IN (${placeholders})`)
.all(...ids) as { id: number; flags: string | null }[];
for (const row of rows) {
const flags = new Set((row.flags ?? "").split(",").filter(Boolean));
if (add) for (const f of add) flags.add(f);
if (remove) for (const f of remove) flags.delete(f);
db.prepare("UPDATE messages SET flags = ? WHERE id = ?").run(
[...flags].join(","),
row.id,
);
changed++;
}
return changed;
});
const count = updateFlag();
return c.json({ ok: true, count });
}
if (action === "remove_label") {
if (!label_id) return c.json({ error: "label_id is required for remove_label" }, 400);
const result = db
.prepare(
`DELETE FROM message_labels WHERE label_id = ? AND message_id IN (${placeholders})`,
)
.run(label_id, ...ids);
for (const id of ids) {
recordLabelOverride(db, id, label_id);
}
return c.json({ ok: true, count: result.changes });
}
// action === "move"
if (!folder_id) return c.json({ error: "folder_id is required for move" }, 400);
const folder = db.prepare("SELECT id FROM folders WHERE id = ?").get(folder_id);
if (!folder) return c.json({ error: "Folder not found" }, 404);
const matched = (
db
.prepare(`SELECT COUNT(*) as n FROM messages WHERE id IN (${placeholders})`)
.get(...ids) as { n: number }
).n;
db.prepare(`UPDATE messages SET folder_id = ? WHERE id IN (${placeholders})`).run(
folder_id,
...ids,
);
return c.json({ ok: true, count: matched });
});
api.get("/:messageId/attachments", (c) => {
const messageId = parseIntParam(c, "messageId", c.req.param("messageId"));
Iif (messageId instanceof Response) return messageId;
const attachments = getDb()
.prepare(
"SELECT id, filename, content_type, size, content_id FROM attachments WHERE message_id = ? ORDER BY id",
)
.all(messageId);
return c.json(attachments);
});
api.get("/:messageId/labels", (c) => {
const messageId = parseIntParam(c, "messageId", c.req.param("messageId"));
Iif (messageId instanceof Response) return messageId;
const labels = getDb()
.prepare(`
SELECT l.id, l.name, l.color, l.icon, l.source
FROM labels l
JOIN message_labels ml ON ml.label_id = l.id
WHERE ml.message_id = ?
ORDER BY l.name
`)
.all(messageId);
return c.json(labels);
});
api.post("/:messageId/labels", async (c) => {
const db = getDb();
const messageId = parseIntParam(c, "messageId", c.req.param("messageId"));
Iif (messageId instanceof Response) return messageId;
const body = await c.req.json();
const labelIds = body.label_ids as number[];
if (!Array.isArray(labelIds) || labelIds.length === 0) {
return c.json({ error: "label_ids array is required" }, 400);
}
const message = db.prepare("SELECT id, date FROM messages WHERE id = ?").get(messageId) as
| { id: number; date: string | null }
| undefined;
if (!message) return c.json({ error: "Message not found" }, 404);
const insert = db.prepare(
"INSERT OR IGNORE INTO message_labels (message_id, label_id, date) VALUES (?, ?, ?)",
);
const clearOverride = db.prepare(
"DELETE FROM label_overrides WHERE message_id = ? AND label_id = ?",
);
const insertMany = db.transaction(() => {
for (const labelId of labelIds) {
insert.run(messageId, labelId, message.date ?? null);
clearOverride.run(messageId, labelId);
}
});
insertMany();
return c.json({ ok: true });
});
api.delete("/:messageId/labels/:labelId", (c) => {
const db = getDb();
const messageId = parseIntParam(c, "messageId", c.req.param("messageId"));
Iif (messageId instanceof Response) return messageId;
const labelId = parseIntParam(c, "labelId", c.req.param("labelId"));
Iif (labelId instanceof Response) return labelId;
db.prepare("DELETE FROM message_labels WHERE message_id = ? AND label_id = ?").run(
messageId,
labelId,
);
recordLabelOverride(db, messageId, labelId);
return c.json({ ok: true });
});
return api;
}
|